.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  background-color: var(--color-primary);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
}

.overlay--open {
  opacity: 1;
  visibility: visible;
}

.overlay__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--navbar-height);
  padding: 0.75rem 1.5rem;
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
}

.overlay__brand {
  padding: 0.5rem 0.75rem;
  font-size: 1.25rem;
  color: var(--color-white);
}

.overlay__close {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  cursor: pointer;
}

.overlay__close-bar {
  position: absolute;
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 1px;
}

.overlay__close-bar:first-child {
  transform: rotate(45deg);
}

.overlay__close-bar:last-child {
  transform: rotate(-45deg);
}

.overlay__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-grow: 1;
  gap: 2rem;
  padding: 2rem 1.5rem;
}

.overlay__link {
  font-size: 1.5rem;
  color: var(--color-white);
  padding: 0.5rem 1rem;
  text-align: center;
}

@media (min-width: 769px) {
  .overlay {
    display: none;
  }
}